<!--********************************************************************
* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title data-i18n="resources.title_graphicSymbolData"></title>
    <style type="text/css">
        body {
            margin: 0;
            overflow: hidden;
            background: #fff;
            width: 100%;
            height: 100%
        }

        #map {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        #toolbar {
            position: absolute;
            top: 50px;
            right: 10px;
            width: 300px;
            text-align: center;
            z-index: 100;
            border-radius: 4px;
        }
    </style>
</head>
<body>

<div id="toolbar" class="panel panel-primary">
    <div class='panel-heading'>
        <h5 class='panel-title text-center' data-i18n="resources.text_graphicSymbolData"></h5>
    </div>
    <div class='panel-body content'>
        <div class='panel'>
            <div class='input-group'>
                <span class='input-group-addon'><span data-i18n="resources.text_countsDraw"></span><span
                        data-i18n="[title]resources.text_requiredField" style='color: red;'> * </span></span>
                <input id='total' type='text' class='form-control' value='1000'/>
            </div>
        </div>
        <div class='input-group'>
            <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_noEventDraw"
                   onclick="addData1()"/>&nbsp;
            <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_openEventDraw"
                   onclick="addData2()"/>
        </div>
    </div>
</div>
<div id="map"></div>
<script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
<script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
<script>
    var map, layer, img, selectGraphic, vectorLayer, graphicLayer1, graphicLayer2, hitGraphicLayer,
        host = window.isLocal ? window.server : "https://iserver.supermap.io",
        url = host + "/iserver/services/map-china/rest/maps/China";

    init();

    function init() {
        if (!document.createElement("canvas").getContext) {
            widgets.alert.showAlert(resources.msg_supportCanvas, false);
            return;
        }
        map = new SuperMap.Map("map", {
            controls: [
                new SuperMap.Control.Zoom(),
                new SuperMap.Control.Navigation(),
            ]
        });
        map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
        layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, null, {maxResolution: "auto"});
        layer.events.on({"layerInitialized": addLayer});
        graphicLayer1 = new SuperMap.Layer.Graphics("Graphic Layer"); //不可以选择，未开启事件
        graphicLayer2 = new SuperMap.Layer.Graphics("Can Select Graphic Layer", null, {hitDetection: true});  //可以选择，开启事件
        hitGraphicLayer = new SuperMap.Layer.Graphics("hit Graphic Layer");
    }

    function addLayer() {
        map.addLayers([layer, graphicLayer1, graphicLayer2, hitGraphicLayer]);
        //显示地图范围
        map.setCenter(new SuperMap.LonLat(0, 0), 3);

        //选择控件
        selectGraphic = new SuperMap.Control.SelectGraphic(graphicLayer2, {
            onSelect: onGraphicSelect,
            onUnselect: onGraphicUnSelect
        });

        map.addControl(selectGraphic);
        selectGraphic.activate();
    }


    //选择graphic 高亮处理某个选择的扇叶
    var hitClover = new SuperMap.Style.HitClover();

    function onGraphicSelect(result, evt) {
        //console.log(result);
        hitGraphicLayer.removeAllGraphics();
        var image = result.style.image;

        var pixel = map.getPixelFromLonLat(new SuperMap.LonLat(result.geometry.x, result.geometry.y));
        var evtPixel = evt.xy;
        //点击点与中心点的角度
        var angle = (Math.atan2(evtPixel.y - pixel.y, evtPixel.x - pixel.x)) / Math.PI * 180;
        angle = angle > 0 ? angle : 360 + angle;
        //确定扇叶
        var index = Math.ceil(angle / (result.style.image.angle + result.style.image.spaceAngle));
        //扇叶的起始角度
        var sAngle = (index - 1) * (image.angle + image.spaceAngle);
        //渲染参数
        var renderOpt = {
            strokeStyle: new SuperMap.Style.Stroke({
                color: "#ff0000",
                width: 1
            }),
            fillStyle: new SuperMap.Style.Fill({
                color: "#0099ff"
            }),
            size: image.size,
            radius: image.radius,
            angle: image.angle,
            eAngle: sAngle + image.angle,
            sAngle: sAngle
        };
        hitClover.render(renderOpt);
        var hitGraphic = new SuperMap.Graphic(result.geometry);
        hitGraphic.style = {
            image: hitClover
        };
        hitGraphicLayer.addGraphics([hitGraphic]);
    }

    //没有选中
    function onGraphicUnSelect() {
        // to do
    }

    //clover 符号
    var radius = [10, 14, 18];
    var styles = [{angle: 60, count: 3}, {angle: 45, count: 4}, {angle: 30, count: 6}];
    var sybolCount = radius.length * styles.length;
    var clovers = [];
    for (var i = 0; i < radius.length; i++) {
        for (var j = 0; j < styles.length; j++) {
            clovers.push(new SuperMap.Style.Clover({
                radius: radius[i],
                angle: styles[j].angle,
                count: styles[j].count,
                fill: new SuperMap.Style.Fill({
                    color: "rgba(0,200,0,0.6)"
                }),
                stroke: new SuperMap.Style.Stroke({
                    color: "rgba(0,166,0,1)",
                    width: 1
                })
            }));
        }
    }

    //消耗时间计算 t2-t1
    var t1, t2;
    var e = 10000000;

    function drawClovers(graphicLayer) {
        graphicLayer.removeAllGraphics();
        var total = document.getElementById("total").value;
        t1 = new Date().getTime();

        var points = [];
        for (var i = 0; i < total; i++) {
            var point = new SuperMap.Geometry.Point(2 * e * Math.random() - e, 2 * e * Math.random() - e);
            var pointVector = new SuperMap.Graphic(point);
            pointVector.style = {
                image: clovers[i % sybolCount]
            };
            points.push(pointVector)
        }
        graphicLayer.addGraphics(points);

        t2 = new Date().getTime();
        //console.info(total + "个总时间为：" + (t2-t1) + "ms");
        widgets.alert.showAlert(resources.msg_totalTime1 + total + resources.msg_totalTime2 + (t2 - t1) + "ms", true);
    }

    //绘制不可选中符号
    function addData1() {
        widgets.alert.clearAlert();
        graphicLayer2.removeAllGraphics();
        hitGraphicLayer.removeAllGraphics();
        drawClovers(graphicLayer1);
    }

    //绘制可选中符号
    function addData2() {
        widgets.alert.clearAlert();
        graphicLayer1.removeAllGraphics();
        hitGraphicLayer.removeAllGraphics();
        drawClovers(graphicLayer2);
    }

</script>
</body>
</html>